D33132233232132333132313111123313232233133313231323223313231121   >>    D3313223323213233313231311112331323223313331323132322331323112   <<    D33132233232132333132313111123313232233133313231323223313231123   >>      D33132233232132333132313111123313232233133313231323223313231122   >>